Robtex

Up: 197.237.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 197.237.28.0/23
Down right: 197.237.30.0/23

IP	Type	Hostname
197.237.28.149	PTR	197.237.28.149.wananchi.com
197.237.28.166	PTR	197.237.28.166.wananchi.com
197.237.28.166	A	salafrica.com
197.237.28.178	PTR	197.237.28.178.wananchi.com
197.237.29.2	PTR	197.237.29.2.wananchi.com
197.237.29.118	PTR	197.237.29.118.wananchi.com
197.237.31.56	PTR	197.237.31.56.wananchi.com
197.237.31.59	PTR	197.237.31.59.wananchi.com
197.237.31.78	PTR	197.237.31.78.wananchi.com
197.237.31.122	PTR	197.237.31.122.wananchi.com
197.237.31.127	PTR	197.237.31.127.wananchi.com
197.237.31.138	PTR	197.237.31.138.wananchi.com
197.237.31.161	PTR	197.237.31.161.wananchi.com
197.237.31.167	PTR	197.237.31.167.wananchi.com
197.237.31.196	PTR	197.237.31.196.wananchi.com
197.237.31.206	PTR	197.237.31.206.wananchi.com
197.237.31.207	PTR	197.237.31.207.wananchi.com
197.237.31.231	PTR	197.237.31.231.wananchi.com